Document Detail


Roles of repressive epigenetic machinery in lineage decision of T cells.
MedLine Citation:
PMID:  23278842     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
DNA methylation and histone modifications are central to epigenetic gene regulation, which has been shown to play a crucial role in development. Epigenetics has often been discussed in the context of the maintenance of cell identity because of the heritable nature of gene expression status. Indeed, crucial roles of the epigenetic machinery in establishment and maintenance of particular lineages during early development have been well documented. However, unexpected observation of a developmental plasticity retained in mature T lymphocytes, in particular in CD4(+) T-cell subsets, by recent studies is accelerating studies that focus on roles of each epigenetic pathway in cell fate decisions of T lymphocytes. Here, we focus on the repressive epigenetic machinery, i.e. DNA methylation, histone deacetylation, H3K9 methylation and Polycomb repressive complexes, and briefly review the studies examining the role of these mechanisms during T-lymphocyte differentiation. We also discuss the current challenges faced when analysing the function of the epigenetic machinery and potential directions to overcome the problems.
Authors:
Taku Naito; Ichiro Taniuchi
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Immunology     Volume:  139     ISSN:  1365-2567     ISO Abbreviation:  Immunology     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-04-24     Completed Date:  2013-07-01     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  0374672     Medline TA:  Immunology     Country:  England    
Other Details:
Languages:  eng     Pagination:  151-7     Citation Subset:  IM    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Differentiation / genetics*
Cell Lineage / genetics*
DNA Methylation
Epigenetic Repression*
Histones / metabolism
Humans
Methylation
Models, Genetic
T-Lymphocyte Subsets / cytology,  metabolism*
Chemical
Reg. No./Substance:
0/Histones
Comments/Corrections

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